Merge bitcoin/bitcoin#29619: refactor: consolidate MempoolAcceptResult processing

07cd510ffe791a4dfc1824c67fb440be780a4e2b [refactor] consolidate invalid MempoolAcceptResult processing (glozow)
9353aa4066a85705154800efa61c5601036be921 [refactor] consolidate valid MempoolAcceptResult processing (glozow)

Pull request description:

  Every time we try to `ProcessTransaction` (i.e. submit a tx to mempool), we use the result to update a few net processing data structures. For example, after a failure, the {wtxid, txid, both, neither} (depending on reason) should be cached in `m_recent_rejects` so we don't try to download/validate it again.

  There are 2 current places and at least 1 future place where we need to process `MempoolAcceptResult`:
  - In the `ProcessMessage` logic after receiving and validating a tx
  - In `ProcessOrphanTx` where we retry orphans
  - With #28970, after processing a package of transactions, we should do these updates for each tx in the package.

  Consolidate this code so it isn't repeated in 2 places and so we can reuse it in a future PR.

ACKs for top commit:
  instagibbs:
    ACK 07cd510ffe791a4dfc1824c67fb440be780a4e2b
  achow101:
    ACK 07cd510ffe791a4dfc1824c67fb440be780a4e2b
  dergoegge:
    Code review ACK 07cd510ffe791a4dfc1824c67fb440be780a4e2b
  TheCharlatan:
    ACK 07cd510ffe791a4dfc1824c67fb440be780a4e2b

Tree-SHA512: c4e74cb65e4f52882fca52e6682efa5dcf1562d98418454e09be256ffd026caae642a90aa5b9cccaae214be240d6f4be9d87b516953b2ee69a655f16ea569ed9

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